It could happen before you know it. You are experiencing severe pain from something like shingles or sciatica and taking strong painkillers – whether prescription or over-the-counter (OTC) medication – in order to cope with the pain.

The time comes then when you’re over the bad patch and want to stop taking the medication, but you find yourself experiencing classic “cold turkey” symptoms – anxiety, nausea, headache, flu-like symptoms and palpitations – as you try to stop taking these strong tablets.